SM-4 Datasheet, PDF (5/7 Pages) Vishay Siliconix – Surface Mount Cermet Trimmers (12 Turns)

SM-4
Vishay
Surface Mount Cermet Trimmers (12 Turns)
MAXIMUM INPUT RATINGS
Nominal
resistance
values (Ω)
Resistance
code
Maximum
input voltage
(V)
10*
100
1.00
20*
200
2.00
50
500
3.53
100
101
5.00
200
201
7.07
500
501
11.2
1k
102
15.8
2k
202
22.4
5k
502
35.4
10 k
103
50.0
20 k
203
70.7
50 k
503
112
100 k
104
158
200 k
204
223
500 k
504
300
1M
105
300
2M
205
300
Maximum
wiper current
(mA)
100
100
70.7
50.0
35.4
22.4
15.8
11.2
7.07
5.00
3.54
2.24
1.58
1.12
0.60
0.30
0.15
* The products inticated by ∗ mark are manufactured upon
receipt of order basis
3
4
5
2
1
12
11
6
7₈
10
9
CONSTRUCTION
Part Name
Material
Flammability
1 Housing
2 Cover
PPS
(Polyphenylenesulp
hide)
Stainless steel
UL-94V-O
-
3 Rotor gear
4 Clutch springt
PPS
(Polyphenylenesulp
hide)
Stainless steel
UL-94V-O
-
Terminal pin Sn-Pb
Copper alloy,
Solder-plated
-
5
Sn-C
u
Copper,
Sn-Cu-plated
-
6 Base element
Ceramic
-
7 Resistive element
RuO₂ cermet
-
8 Electrode
Ag-Pd cermet
-
9 Wiper
Multi metal alloy
10 “O” ring
11 Base
Silicone rubber
Epoxy
UL-94HB
UL-94V-O
12 Shaft
Metal
-
CFCs, Halon, Carbon tetrachloride and designated
bromic flame retardant PBBOs and PBBs are not used
in our products.
LIST OF PART NUMBERS
Adjustment
position
Shape of terminal
Top adjustment
Side adjustment
Pieces in package
W (J-hook)
A (J-hook)
B (Gull wing)
Taping (reel)
Form of packing
Vinyl bag
Sn-Pb
Sn-Pb
(Lead (Pb)-free)
SM-4TW
SM-4ETW
SM-4TA
SM-4ETA
SM-4TB
SM-4ETB
TW, ETW: 250 pcs./reel
TA, ETA: 500 pcs./reel
TB, ETB: 500 pcs./reel
Sn-Pb
SM-4W
SM-4A
SM-4B
Sn-Pb
(Lead (Pb)-free)
SM-4EW
SM-4EA
SM-4EB
50 pcs./pack
Document Number: 58008
Revision: 06-Mar-06
For technical questions contact: [e-mail]
www.vishay.com
5